<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传</title>
</head>
<body>

<form action="/files/upload01"
      enctype="multipart/form-data"
        method="post">
    <input type="file" name="pic">
    <input type="submit" value="确定">
</form>

<hr>

<a href="/files/download?fileName=logo1111.png" >学习logo文件下载.png</a>

</body>
</html>